4. Expanded, threaded, driven, headed, tool-deformed, or locked-thr
  5. Having structure to restrict rotation of threaded, mating...
  6. Pawl and ratchet

Jean-Pierre Marc

Inventor

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Anti-rotation locking units, and apparatus equipped therewith

Pipe joints or couplings – With means blocking release of holding means – Thread lock
Reexamination Certificate

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Self-locking obturating device

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having structure to restrict rotation of threaded – mating... – Pawl and ratchet
Patent

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Self-locking union for pipes

Pipe joints or couplings – With means blocking release of holding means – Auxiliary latch
Patent

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Profile ID: LFUS-PAI-P-900711

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